Ethylene-α-olefin copolymer, molding thereof and...

Details Ethylene-α-olefin copolymer, molding thereof and... Ethylene-α-olefin copolymer, molding thereof and...

2006-09-28

2009-02-03

Choi, Ling-Siu (Department: 1796)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

C526S348000, C526S348600, C526S943000, C526S129000

Reexamination Certificate

active

07485687

ABSTRACT:
An ethylene-α-olefin copolymer containing monomer units derived from ethylene and monomer units of an α-olefin having 3 to 20 carbon atoms and having a melt flow rate of from 0.01 to 100 g/10 min, an activation energy of flow of 50 kJ/mol or more, a molecular weight distribution measured by a gel permeation chromatography of 3 or more and minute defects of 2000/m2or less in number, a process for producing the copolymer, and a molding of the copolymer.

REFERENCES:
patent: 2004/0030082 (2004-02-01), Iseki

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